package com.changgou.goods.dao;

import com.changgou.goods.pojo.Brand;
import com.changgou.goods.pojo.Category;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;
import tk.mybatis.mapper.common.Mapper;

import java.util.List;
import java.util.Map;

public interface BrandMapper extends Mapper<Brand> {
    /**
     * 根据分类名称查询品牌列表
     * @param categoryName
     * @return
     */
    @Select("SELECT name,image FROM tb_brand WHERE id  IN (SELECT brand_id FROM tb_category_brand WHERE  category_id IN (SELECT id FROM tb_category where `name`=#{name)) order by seq")
//SELECT * FROM tb_brand WHERE id in(SELECT brand_id FROM tb_category_brand where category_id in (select id from tb_category where `name` = #{category}))"
    List<Category> findListByCategoryName(@Param("name") String categoryName);



}
